Exam (elaborations)
Bio 344 Exam -1 Questions answers latest update
- Course
- Bio 344
- Institution
- University Of Texas - Austin
Bio 344 Exam -1 Questions answers latest update
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Bio 344 Exam #1chromosomes - structures within living cells that contain genetic material
chromatin - complex of DNA and protein
prokaryotes - bacteria and archaea
-chromosomes not contained in nucleus (no nucleus)
-singular circular chromosome in cytoplasm
nucleosome - basic repeating unit of chromatin
-can fold in compact, highly ordered structures
histones - small highly basic proteins
cytogenetics - microscopic examination of chromosomes
Karytope - organized representation of the chromosomes within a somatic cell
somatic cell - any cell of the body that is not a gamete
, homologs - members of a pair of chromosomes
-1 paternal & 1 maternal
-nearly identical in size
-have same banding pattern and centromere location
-have the same genes but not necessarily the same alleles
** X & Y chromosomes are not homologs
kinetochore proteins - link the centromere to the spindle apparatus
centromere - required for proper segregation during mitosis and meiosis
telomere - prevent chromosomes translocations and shortening
G0 phase - cell temporarily not advancing nor dividing again
Interphase - -Gap 1
-Synthesis
-Gap 2
-chromosomes decondensed
-by the end of interphase chromosomes replicated BUT pairs of sister chromatids
not seen until prophase
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